OpenTechnical

OT-2026-000049219

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000049219) never changes.

Identity and time

Publication numberOT-2026-000049219 · never reused
Internal UUID01a0ae81-134f-7199-812e-c6ec9de1c0cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049219
StatusPUBLIC

Content hashes

Canonical texta93c9319e9a7163c90d85fb6e14e2bbe98191f22f91bce8a9dbb2925c265e5cd
Markdown7b82b446ab0e684d7c8d1f375ae8da3e49bddc854dc4200a713fcb94bae22c42
PDF
Publication page4093bf2139ea6336e848e0693b266de167e131038f90937f4c9d907183278381
Manifest0c9caf05d286e26ef9ef1781aa4b902f34ed98d76ef7da5ec492670a823ad2e0

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature/qNcpghviTtssSV9tXZNOIoOMX38VMXQtHEaashh6OU7Uv1+BXpdzWTaMcXbIOOxPpwScFe8DvdNprX1pFVXAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:04:02.297909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049219
observed 4093bf2139ea6336e848e0693b266de1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:02.278587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049219/manifest.json
observed 0c9caf05d286e26ef9ef1781aa4b902f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:02.260124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049219/publication.md
observed 7b82b446ab0e684d7c8d1f375ae8da3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:02.239703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049219/publication.txt
observed a93c9319e9a7163c90d85fb6e14e2bbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.